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N9
Product
.NET 9.0
by Microsoft · last CVE Sep 8, 2026
24
CVEs
0
On KEV
8.8
Max CVSS
0
New 30D
Vulnerabilities24In the news1Timeline
Severity mix
Critical 0High 19Medium 5Low 0
Severity
All severities24Critical0High19Medium5Low0
Exploitation
On CISA KEV0Exploited in the wild0
Watch

Add .NET 9.0 to your stack to get only the CVEs that touch what you run.

CVECVSSEPSSPublishedSummary · affected versions
CVE-2026-71328
8.8
1%
Sep 8
.NET and Visual Studio Remote Code Execution Vulnerability
Affected: 9.0.0 before 9.0.20
CVE-2026-69439
8.8
1%
Sep 8
.NET and Visual Studio Elevation of Privilege Vulnerability
Affected: 9.0.0 before 9.0.20
CVE-2026-69522
8.8
1%
Sep 8
.NET and Visual Studio Remote Code Execution Vulnerability
Affected: 9.0.0 before 9.0.20
CVE-2026-70354
7.8
0%
Aug 11
.NET Core Remote Code Execution Vulnerability
Affected: 9.0.0 before 9.0.19
CVE-2026-62871
7.8
0%
Aug 11
.NET Elevation of Privilege Vulnerability
Affected: 9.0.0 before 9.0.19
CVE-2026-45490
7.8
0%
Jun 9
.NET SDK Elevation of Privilege Vulnerability
Affected: 9.0.0 before 9.0.17
CVE-2026-62898
7.5
1%
Aug 11
Microsoft QUIC Information Disclosure Vulnerability
Affected: 9.0.0 before 9.0.19
CVE-2026-45591
7.5
2%
Jun 9
ASP.NET Core Denial of Service Vulnerability
Affected: 9.0.0 before 9.0.17
CVE-2026-42899
7.5
2%
May 12
ASP.NET Core Denial of Service Vulnerability
Affected: 9.0.0 before 9.0.16
CVE-2026-32203
7.5
2%
Apr 14
.NET and Visual Studio Denial of Service Vulnerability
Affected: 9.0.0 before 9.0.15
CVE-2026-26171
7.5
2%
Apr 14
.NET Denial of Service Vulnerability
Affected: 9.0.0 before 9.0.15
CVE-2026-33116
7.5
2%
Apr 14
.NET, .NET Framework, and Visual Studio Denial of Service Vulnerability
Affected: 9.0.0 before 9.0.15
CVE-2026-32178
7.5
2%
Apr 14
.NET Spoofing Vulnerability
Affected: 9.0.0 before 9.0.15
CVE-2026-26127
7.5
2%
Mar 10
.NET Denial of Service Vulnerability
Affected: 9.0.0 before 9.0.14
CVE-2026-21218
7.5
1%
Feb 10
.NET Spoofing Vulnerability
Affected: 9.0.0 before 9.0.13
CVE-2026-35433
7.3
1%
May 12
.NET Elevation of Privilege Vulnerability
Affected: 9.0.0 before 9.0.16
CVE-2026-32177
7.3
1%
May 12
.NET Elevation of Privilege Vulnerability
Affected: 9.0.0 before 9.0.16
CVE-2025-55247
7.3
1%
Oct 14
.NET Elevation of Privilege Vulnerability
Affected: 9.0.0 before 9.0.10
CVE-2026-69806
7.0
1%
Sep 8
.NET Elevation of Privilege Vulnerability
Affected: 9.0.0 before 9.0.20
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